402144150 has 24 divisors (see below), whose sum is σ = 997317864. Its totient is φ = 107238400.

The previous prime is 402144137. The next prime is 402144161. The reversal of 402144150 is 51441204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1340331 + ... + 1340630.

It is an arithmetic number, because the mean of its divisors is an integer number (41554911).

Almost surely, 2^402144150 is an apocalyptic number.

402144150 is an abundant number, since it is smaller than the sum of its proper divisors (595173714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402144150 is a wasteful number, since it uses less digits than its factorization.

402144150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680976 (or 2680971 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 402144150 is about 20053.5321078358. The cubic root of 402144150 is about 738.1204737189.

Adding to 402144150 its reverse (51441204), we get a palindrome (453585354).

The spelling of 402144150 in words is "four hundred two million, one hundred forty-four thousand, one hundred fifty".